// 云函数入口文件
const cloud = require('wx-server-sdk')
cloud.init()

const db=cloud.database(); 
// 云函数入口函数
exports.main = async (event, context) => {
  try{
    return await db.collection('shopCar').where({
      choosed:event.ostates,
      _openid: wxContext.OPENID
    }).update({
      data:{
        choosed:event.nstates
      }
    })
  }catch(e){
    console.error(e)
  }
}